OpenDeclarationAction.java

package com.redhat.ceylon.eclipse.code.open;

import static com.redhat.ceylon.eclipse.code.editor.Navigation.gotoDeclaration;
import static com.redhat.ceylon.eclipse.ui.CeylonPlugin.PLUGIN_ID;
import static com.redhat.ceylon.eclipse.util.EditorUtil.getSelectionText;
import static org.eclipse.ui.PlatformUI.getWorkbench;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.texteditor.ITextEditor;

import com.redhat.ceylon.model.typechecker.model.Declaration;
import com.redhat.ceylon.eclipse.ui.CeylonPlugin;
import com.redhat.ceylon.eclipse.ui.CeylonResources;

public class OpenDeclarationAction extends Action {
    
    private static final ImageDescriptor ICON = 
            CeylonPlugin.imageRegistry()
                .getDescriptor(CeylonResources.CEYLON_OPEN_DECLARATION);
    
    private final IEditorPart editor;
    
    public OpenDeclarationAction(IEditorPart editor) {
        this("Open Declaration...", editor);
    }
    
    public OpenDeclarationAction(String text, IEditorPart editor) {
        super(text);
        this.editor = editor;
        setActionDefinitionId(PLUGIN_ID 
                + ".action.openDeclaration");
        setImageDescriptor(ICON);
    }
    
    @Override
    public void run() {
        OpenDeclarationDialog dialog = 
                new OpenDeclarationDialog(true, true, 
                        getWorkbench()
                            .getActiveWorkbenchWindow()
                            .getShell(),
                        "Open Declaration",
                        "&Type part of a name, with wildcard *, or a camel hump pattern, with . to display members:",
                        "&Select one or more declarations to open in editors:");
        if (editor instanceof ITextEditor) {
            dialog.setInitialPattern(getSelectionText((ITextEditor) editor));
        }
        dialog.open();
        Declaration[] results = dialog.getResult();
        if (results != null) { 
            for (int i=0; i<results.length; i++) {
                gotoDeclaration(results[i]);
            }
        }
    }

}